<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Storage;
use App\Story;
use App\StoryView;

class StoryGC extends Command
{
	/**
	* The name and signature of the console command.
	*
	* @var string
	*/
	protected $signature = 'story:gc';

	/**
	* The console command description.
	*
	* @var string
	*/
	protected $description = 'Clear expired Stories';

	/**
	* Create a new command instance.
	*
	* @return void
	*/
	public function __construct()
	{
		parent::__construct();
	}

	/**
	* Execute the console command.
	*
	* @return mixed
	*/
	public function handle()
	{
		$this->directoryScan();
		$this->deleteViews();
		$this->deleteStories();
	}

	protected function directoryScan()
	{
		$day = now()->day;

		if($day !== 3) {
			return;
		}

		$monthHash = substr(hash('sha1', date('Y').date('m')), 0, 12);

		$t1 = Storage::directories('public/_esm.t1');
		$t2 = Storage::directories('public/_esm.t2');

		$dirs = array_merge($t1, $t2);

		foreach($dirs as $dir) {
			$hash = last(explode('/', $dir));
			if($hash != $monthHash) {
				$this->info('Found directory to delete: ' . $dir);
				$this->deleteDirectory($dir);
			}
		}

		$mh = hash('sha256', date('Y').'-.-'.date('m'));
		$monthHash = date('Y').date('m').substr($mh, 0, 6).substr($mh, 58, 6);
		$dirs = Storage::directories('public/_esm.t3');

		foreach($dirs as $dir) {
			$hash = last(explode('/', $dir));
			if($hash != $monthHash) {
				$this->info('Found directory to delete: ' . $dir);
				$this->deleteDirectory($dir);
			}
		}
	}

	protected function deleteDirectory($path)
	{
		Storage::deleteDirectory($path);
	}

	protected function deleteViews()
	{
		StoryView::where('created_at', '<', now()->subMinutes(1441))->delete();
	}

	protected function deleteStories()
	{
		$stories = Story::where('created_at', '>', now()->subMinutes(30))
		->whereNull('active')
		->get();

		foreach($stories as $story) {
			if(Storage::exists($story->path) == true) {
				Storage::delete($story->path);
			}
			DB::transaction(function() use($story) {
				StoryView::whereStoryId($story->id)->delete();
				$story->delete();
			});
		}

		$stories = Story::where('created_at', '<', now()
			->subMinutes(1441))
		->get();

		if($stories->count() == 0) {
			exit;
		}

		foreach($stories as $story) {
			if(Storage::exists($story->path) == true) {
				Storage::delete($story->path);
			}
			DB::transaction(function() use($story) {
				StoryView::whereStoryId($story->id)->delete();
				$story->delete();
			});
		}
	}
}
